用PHP生成页面后，保存本地，将文件的后缀名改为.docx,就可以生成数据字典文档，代码如下：
注意：代码复制后，只需要修改数据库连接的地址，用户名，密码，数据库，改为自己的数据库地址，放在项目的根目录，直接运行就可以。
<?php
/**适用于PHP7.0以上版本*/
header('content-type:text/html;charset=utf-8');  
/*$_db=[
    'db_server'=>'81.69.250.186',
    'db_user'=>'slserp',
    'db_pass'=>'chGRHCrZmRANbLCm',
    'db_name'=>'slserp',
];*/

//http://172.16.1.27:88/xingfan/public/shu_ju_zi_dian.php

//是否过滤备份文件
$is_filter_bak=true;
$bak_tag='/bak/';
//var_dump($_db);exit;
define('DB_HOST','127.0.0.1');
define('DB_USER','root');
define('DB_PASS','root');
define('DB_NAME','xingfan');
define('DB_PORT',3306);
define('DB_CHAR','utf8');
define('APPNAME','数据字典');
$table_schema=isset($_GET['table_schema'])?$_GET['table_schema']:0;
$conn=mysqli_connect(DB_HOST.':'.DB_PORT,DB_USER,DB_PASS);
mysqli_select_db($conn,DB_NAME);
mysqli_set_charset($conn,DB_CHAR);
$sql="SHOW TABLE STATUS FROM " . DB_NAME; 

$result=mysqli_query($conn,$sql);

$array=[];
while($rows=mysqli_fetch_assoc($result)){
    //var_dump($rows['Name']);exit;
    if($is_filter_bak){
        $str = $rows['Name'];
        $char = $bak_tag;
        if(preg_match($char, $str)) {
            continue;
        }

    }
    
    if(!empty($table_schema)){
        if($rows['Name'] ==$table_schema){
            $array[]=$rows;  
        }
    }else{

        $array[]=$rows;
    }

}  

$tab_count = count($array);  
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">  
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="zh">  
<head>  
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />  
<title>'.APPNAME.'--数据字典</title>  
<style type="text/css">  
    table caption, table th, table td {  
        padding: 0.1em 0.5em 0.1em 0.5em;  
        margin: 0.1em;  
        vertical-align: top;  
    }  
    th {  
        font-weight: bold;  
        color: black;  
        background: #D3DCE3;  
    }  
    table tr.odd th, .odd {  
        background: #E5E5E5;  
    }  
    table tr.even th, .even {  
        background: #f3f3f3;  
    }  
    .db_table{  
        border-top:1px solid #333;  
    }  
    .title{font-weight:bold;}  
</style>  
</head>  
<body>  
<div style="text-align:center;background:#D3DCE3;font-size:19px;">  
    <b>'.APPNAME.'--数据字典</b>  
    <a href="http://192.168.5.159/ApiManager/index.php">接口文档</a>

<div style="float:right;">
<form method="get" > 选择表：
<input type="text" name="table_schema"  value="admin_menu" >
<input type="submit" value="确定" >
</form>

</div>  
</div>
<div style="background:#f3f3f3;text-align:center;">（注：共'.$tab_count.'张表，按ctrl+F查找关键字）</div>'."\n";  
for($i=0;$i<$tab_count;$i++){  

    echo '<ul type="square">'."\n";  
    echo '  <li class="title">';  
    echo ($i+1).'、表名：[' . $array[$i]['Name'] . ']      注释：' . $array[$i]['Comment'];  
    echo '</li>'."\n";  
    //查询数据库字段信息  
    $tab_name = $array[$i]['Name'];  
    $sql_tab='show full fields from `' . $array[$i]['Name'].'`';  
    $tab_result=mysqli_query($conn,$sql_tab);
    $tab_array=[];  
        
    while($r=mysqli_fetch_assoc($tab_result)){
        $tab_array[]=$r;  
    }  
//show keys  
$keys_result=mysqli_query($conn,"show keys from `".$array[$i]['Name'].'`');
$arr_keys=mysqli_fetch_array($keys_result);
    echo '<li style="list-style: none outside none;"><table border="0" class="db_table" >';  
    echo '<tr class="head">  
        <th style="width:110px">字段</th>  
        <th>类型</th>  
        <th>为空</th>  
        <th>额外</th>  
        <th>默认</th>  
        <th style="width:95px">整理</th>  
        <th>备注</th></tr>';  
    for($j=0;$j<count($tab_array);$j++){
        if(!isset($arr_keys['Key_name'])){
            continue;
        }
        $key_name=$arr_keys['Key_name'];  
        if($key_name="PRIMARY"){  
            $key_name='主键（'.$key_name.'）';  
        }  
        $key_field=$arr_keys['Column_name'];  
        if ( $tab_array[$j]['Field']==$key_field){  
            $key_value="PK";  
        }else{  
            $key_value="";  
        }  
        echo '        <tr class="'.($j%2==0?"odd":"even").'">'."\n";  
        echo '          <td>' . $tab_array[$j]['Field'] . '</td>'."\n";  
        echo '          <td>' . $tab_array[$j]['Type'] . '</td>'."\n";  
        echo '          <td>' . ($key_value!=''?$key_value:$tab_array[$j]['Null']) . '</td>'."\n";  
        echo '          <td>' . $tab_array[$j]['Extra'] . '</td>'."\n";  
        echo '          <td>' . $tab_array[$j]['Default'] . '</td>'."\n";  
        echo '          <td>' . $tab_array[$j]['Collation'] . '</td>'."\n";  
        echo '          <td>' . ($key_value!=''?$key_name:$tab_array[$j]['Comment']) . '</td>'."\n";  
        echo '        </tr>'."\n";  
    }  
    echo '  </table></li>'."\n";  
    echo '</ul>'."\n";  
    
}  
echo '</body>'."\n";  
echo '</html>'."\n"; 
?>